20382430

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 37977984

約数和(自身を除く): 17595554

約数列:

[1, 2, 5, 10, 43, 86, 107, 214, 215, 430, 443, 535, 886, 1070, 2215, 4430, 4601, 9202, 19049, 23005, 38098, 46010, 47401, 94802, 95245, 190490, 237005, 474010, 2038243, 4076486, 10191215, 20382430]

約数ペア:

[(1, 20382430), (2, 10191215), (5, 4076486), (10, 2038243), (43, 474010), (86, 237005), (107, 190490), (214, 95245), (215, 94802), (430, 47401), (443, 46010), (535, 38098), (886, 23005), (1070, 19049), (2215, 9202), (4430, 4601)]